public static ForwarderInfo Parse(string data)
{
try
{
XmlDocument xml = new XmlDocument();
xml.LoadXml(data);
XmlElement root = xml.DocumentElement;
XmlElement nameNode = root["name"];
XmlElement authorNode = root["author"];
XmlElement versionNode = root["version"];
XmlElement descriptionNode = root["description"];
XmlElement packageUrlNode = root["packageurl"];
string name = nameNode.InnerText.Trim();
string author = authorNode.InnerText.Trim();
string version = versionNode.InnerText.Trim();
string description = descriptionNode.InnerText.Trim();
string packageUrl = packageUrlNode.InnerText.Trim();
ForwarderInfo info = new ForwarderInfo(name, author, version, description, packageUrl);
return(info);
}
catch
{
return(null);
}
}
private void StartDownload(object obj)
{
ForwarderInfo info = (ForwarderInfo)obj;
this.wc.DownloadFileAsync(new Uri(info.PackageUrl), info.LocalZipFileLocation, info);
}
void wc_DownloadFileCompleted(object sender, AsyncCompletedEventArgs e)
{
if (e.Error != null)
{
Utility.WriteDebugInfo(e.Error.Message);
Utility.WriteDebugInfo(e.Error.StackTrace);
this.errorMessage = Utility.GetResourceString(Properties.Resources.ForwarderInstaller_DownloadError);
}
else if (e.Cancelled)
{
this.errorMessage = Utility.GetResourceString(Properties.Resources.ForwarderInstaller_DownloadCancelled);
}
else
{
// sometimes the downloaded file is still being written to disk.
// this will wait until the file is readable before returning.
ForwarderInfo info = (ForwarderInfo)e.UserState;
bool fileAvailable = false;
int counter = 0;
while (!fileAvailable && counter < 10)
{
counter++;
try
{
FileStream fs = File.OpenRead(info.LocalZipFileLocation);
using (fs)
{
fileAvailable = true;
}
}
catch
{
// wait a bit to allow the disk I/O to complete
System.Threading.Thread.Sleep(500);
}
}
}
mre.Set();
}
public static ForwarderInfo Parse(string data)
{
try
{
XmlDocument xml = new XmlDocument();
xml.LoadXml(data);
XmlElement root = xml.DocumentElement;
XmlElement nameNode = root["name"];
XmlElement authorNode = root["author"];
XmlElement versionNode = root["version"];
XmlElement descriptionNode = root["description"];
XmlElement packageUrlNode = root["packageurl"];
string name = nameNode.InnerText.Trim();
string author = authorNode.InnerText.Trim();
string version = versionNode.InnerText.Trim();
string description = descriptionNode.InnerText.Trim();
string packageUrl = packageUrlNode.InnerText.Trim();
ForwarderInfo info = new ForwarderInfo(name, author, version, description, packageUrl);
return info;
}
catch
{
return null;
}
}
public bool LaunchInstaller(string uri, bool appIsAlreadyRunning, ref List <InternalNotification> queuedNotifications, ref int cultureCodeHash)
{
bool installed = false;
this.uri = uri;
this.appIsAlreadyRunning = appIsAlreadyRunning;
this.tempFolder = Path.Combine(Utility.UserSettingFolder, TEMP_FOLDER);
try
{
this.wc = new Growl.CoreLibrary.WebClientEx();
wc.Headers.Add("User-Agent", USER_AGENT);
byte[] data = wc.DownloadData(this.uri);
string definition = Encoding.UTF8.GetString(data).Trim();
ForwarderInfo info = ForwarderInfo.Parse(definition);
if (info != null)
{
this.InfoLabel.Text = String.Format(Utility.GetResourceString(Properties.Resources.ForwarderInstaller_Prompt), info.Name, info.Author, info.Description);
this.YesButton.Visible = true;
this.NoButton.Visible = true;
this.OKButton.Visible = false;
/* NOTE: there is a bug that is caused when Growl is launched via protocol handler (growl:) from Opera.
*
* when that happens, the call to ShowDialog hangs.
*
* i could not find any documentation on this or any reason why it would be happening (not on a non-ui thread, windows handle is already created, etc).
*
* the only fix i could find was to Show/Hide the form before calling ShowDialog. i dont even know why this works, but it does.
*
* */
this.Show();
this.Hide();
DialogResult result = this.ShowDialog();
if (result == DialogResult.Yes)
{
this.InfoLabel.Text = Utility.GetResourceString(Properties.Resources.ForwarderInstaller_Installing);
this.progressBar1.Value = 0;
this.progressBar1.Visible = true;
this.YesButton.Enabled = false;
this.NoButton.Enabled = false;
this.Show();
this.Refresh();
if (Directory.Exists(this.tempFolder))
{
Directory.Delete(this.tempFolder, true);
}
Directory.CreateDirectory(this.tempFolder);
string zipFileName = Path.Combine(this.tempFolder, String.Format("{0}.zip", System.Guid.NewGuid().ToString()));
info.LocalZipFileLocation = zipFileName;
wc.DownloadProgressChanged += new DownloadProgressChangedEventHandler(wc_DownloadProgressChanged);
wc.DownloadFileCompleted += new AsyncCompletedEventHandler(wc_DownloadFileCompleted);
StartDownload(info);
Utility.WriteDebugInfo(String.Format("Downloading forwarder plugin '{0}' to {1}", info.Name, info.LocalZipFileLocation));
System.Threading.WaitHandle[] handles = new System.Threading.WaitHandle[] { are, mre };
while (System.Threading.WaitHandle.WaitAny(handles) == 0)
{
lock (this.progress_lock)
{
this.progressBar1.Value = this.progress.ProgressPercentage;
Application.DoEvents();
}
}
this.progressBar1.Value = 100;
Application.DoEvents();
Utility.WriteDebugInfo(String.Format("Finished downloading forwarder plugin '{0}' to {1}", info.Name, info.LocalZipFileLocation));
if (this.errorMessage == null)
{
// unzip files to the correct location
string folder = Path.Combine(ForwardDestinationManager.UserPluginDirectory, Growl.CoreLibrary.PathUtility.GetSafeFolderName(info.Name));
if (!ApplicationMain.HasProgramLaunchedYet || !Directory.Exists(folder))
{
Utility.WriteDebugInfo(String.Format("Forwarder '{0}' downloaded - starting unzip.", info.Name));
Unzipper.UnZipFiles(info.LocalZipFileLocation, folder, false);
string text = String.Format(Properties.Resources.ForwarderInstaller_InstalledText, info.Name);
InternalNotification n = new InternalNotification(Properties.Resources.ForwarderInstaller_InstalledTitle, Utility.GetResourceString(text), null);
queuedNotifications.Add(n);
installed = true;
this.Close();
}
else
{
// display with the same name aleady exists...
ShowMessage(String.Format(Utility.GetResourceString(Properties.Resources.ForwarderInstaller_AlreadyInstalled), info.Name), true);
}
// clean up
Utility.WriteDebugInfo(String.Format("Deleteing '{0}' zip file at {1}", info.Name, info.LocalZipFileLocation));
if (File.Exists(info.LocalZipFileLocation))
{
File.Delete(info.LocalZipFileLocation);
}
}
else
{
Utility.WriteDebugInfo(String.Format("Error downloading forwarder plugin '{0}'.", info.Name));
ShowMessage(errorMessage, true);
}
}
}
else
{
// definition file was malformed
ShowMessage(String.Format(Utility.GetResourceString(Properties.Resources.ForwarderInstaller_BadDefinitionFile), this.uri), true);
}
}
catch (Exception ex)
{
// error downloading definition file
Utility.WriteDebugInfo(String.Format("Error downloading forwarder plugin. {0} - {1}", ex.Message, ex.StackTrace));
ShowMessage(String.Format(Utility.GetResourceString(Properties.Resources.ForwarderInstaller_NonexistentDefinitionFile), this.uri), true);
}
return(installed);
}
